Worcester Greenstar 2000 Installation And Maintenance Instructions Manual page 21

High level horizontal flue
Fig. 20 Horizontal flue option
• Flue length [L] (initial bend included in length calculation)
– Maximum flue length as stated in "Horizontal maximum flue
lengths".
High level horizontal flue with additional 90° elbow
Fig. 21 Horizontal flue option
• Flue length [L] (initial bend included in length calculation)
– Maximum flue length as stated in "Horizontal maximum flue
lengths" minus the 90° bend equivalent straight flue length as
stated in Table 16 "Effective length of bends".
High level horizontal flue with additional 90° elbows
Fig. 22 Horizontal flue option
• Flue length [L] (initial bend included in length calculation)
– Maximum flue length as stated in "Horizontal maximum flue
lengths" minus 2 x 90° bends equivalent straight flue length as
stated in Table 16 "Effective length of bends".
Greenstar 2000 – 6 721 820 552 (2021/02)
Vertical balanced flue assembly
A = 300 mm
B = 500 mm
Fig. 23 Vertical flue option
• Flue length [L]
– Maximum flue length as stated in "Vertical maximum flue
lengths".
Vertical balanced flue with 90° elbow offset
A = 300 mm
B = 500 mm
Fig. 24 Vertical flue option
• Flue length [L]
– Maximum flue length as stated in "Vertical maximum flue lengths"
minus 2 x 90° bends equivalent straight flue length as stated in
Table 16 "Effective length of bends".
Vertical balanced flue with 45° elbow offset
A = 300 mm
B = 500 mm
Fig. 25 Vertical flue option
• Flue length [L]
– Maximum flue length as stated in "Vertical maximum flue lengths"
minus 2 x 45° bends equivalent straight flue length as stated in
Table 16 "Effective length of bends".
Pre-Installation
21